2021's 10 Best Whey Protein Isolate
TOP SUPPLEMENTS

Best Whey Protein Isolate

There are several types of whey protein powder. Whey isolate is a popular form because it’s highly concentrated, super absorbable and low in calories. It contains 90-95% protein by weight, with most of the carbohydrates, lactose (milk sugar), fat and cholesterol removed – it’s one of the cleanest forms of protein.

This useful powder can be added to workout shakes, smoothies, yogurt, cereal and protein bars – helping you to reach your daily protein goals.

Health Benefits of Whey Protein Isolate

Whey protein isolate is a high-quality protein supplement made from the liquid component that separates from milk during cheese production. It’s a source of vitamins, minerals, branched-chain amino acids and all nine essential amino acids.

Amino acids provide the building blocks for our body and are essential for:

  • Cellular growth and development
  • Muscle protein synthesis
  • Tissue repair
  • Strong bones
  • Healthy skin
  • Hormone production
  • Immune cell production
  • Enzyme production
  • Brain chemical synthesis and a healthy mood
  • Appetite control

Promotes Muscle Growth

Obtaining essential amino acids through the diet is necessary for stimulating muscle protein synthesis (MPS) and increasing strength, recovery and energy. You need a positive protein balance if you want to bulk up and avoid muscle loss.

Whey protein isolate is one of the most studied and well-known supplements for enhancing muscle building and repair – especially when taken just after a workout.

  • It’s a great source of branched-chain amino acids (BCAAs) like leucine – known for being anabolic and stimulating muscle protein synthesis.
  • Consuming whey protein is linked to an increase in insulin, insulin-like growth factor (IGF-1) and Human Growth Hormone (HGH) levels – anabolic hormones involved in muscle growth.

Minimizes Age-Related Muscle Loss

Muscle loss and weakness – also known as sarcopenia – are an unfortunate consequence of aging. Older people have a greater protein demand; however, protein digestion and absorption also decline with age, contributing to the loss of muscle mass.

Consuming whey protein isolate encourages strength, well-being and independence as we age.

A 2015 review study found that when older people supplemented with whey protein – in addition to an exercise program – they noticed enhanced muscle protein synthesis, muscle mass retention and strength.

Preserves Muscle Mass When Dieting

When restricting calories for weight loss, muscle is often lost as the body turns to your existing protein stores for energy.

It’s important to consume plenty of easily absorbable protein when dieting and whey protein isolate provides all the essential amino acids necessary for preserving muscle mass.

A promising study on overweight subjects had them consume whey protein twice daily while reducing their daily energy intake by 500 calories. The results found that, after three months, the whey protein group lost more body fat (6.1%) and retained significantly more muscle mass than the control group.

Reduces Appetite and Encourages Weight Loss

Protein is king if you’re looking to improve body composition and drop fat. A high protein diet boosts the metabolic rate, increasing the amount of energy you burn at rest.

Protein is also known for increasing feelings of satiety or fullness. Whey protein, in particular, suppresses appetite and cravings more than other protein supplements. It helps you feel satisfied, reducing the need for snacks and extra calories.

Plus, whey protein isolate has a large percentage of carbohydrates and fat removed, reducing calorie intake while allowing you to meet your protein target.

2021's 10 Best Whey Protein Isolate
TOP SUPPLEMENTS

Our list of the top 10 whey protein isolate supplements is organized to reflect what you most value in your supplements. First and foremost is quality. All ten of these top ten supplements meet high standards of quality and come from brands with a proven record in excellence and purity. Another important factor in deciding the top ten was cost. You don’t have to pay through the nose to get a high quality supplement. In addition, all the companies represented on our top ten list have stellar records with customer service and prompt shipping to ensure that your supplement experience is enjoyable from the first click to your final dose.

  • 5LBS Of Pure, Unflavored, Whey Protein Isolate Powder.
  • 68 Servings of the Best, High Quality, Undenatured, Whey Protein Isolate Per Bottle
  • 30 Grams of Protein Per Serving (Scoop Included)
  • Non-GMO, Gluten Free, 3rd Party Tested
  • Made in A GMP Compliant, FDA Registered Facility
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*Individual Results May Vary - Ratings are based on Society Health Ranking System and do not necessarily reflect typical results from the use of these products. We encourage consumers to research by visiting each product's website for more information.

Staunch Whey Protein Isolate is our #1 Rated Whey Protein Isolate Supplement, as it is high quality and half the price of its competitors. Staunch Whey Protein Isolate features 24g of Whey Protein in each scoop. Click Here for Lowest Price

Uniquely, Staunch is one of the few companies that control the full chain of manufacturing, from sourcing to manufacturing in an FDA-registered facility to warehousing and fulfillment, ensuring strict quality standards are met. Staunch also offers exceptional customer support for all of its products.

Priced under $40, Staunch Whey Isolate Protein comes with 29 servings, which is just $1.37 per serving.

With Staunch, you can be assured that this product does NOT contain ANY extra ingredients, fillers, or preservatives.

Staunch Whey Protein Isolate also comes with a 120-day, no-questions-asked, money-back guarantee — the best guarantee on the market!

  • Our #1 Whey Protein Isolate Supplement
  • 100% Pure Whey Protein Isolate - Cleanest & Purest Form Of Whey Protein
  • Just $1.37 a Serving, compared to Industry Average of almost 1.75!
  • Certified USDA Organic Pea Protein Powder
  • Non-GMO, Gluten Free, 3rd Party Tested
  • Made in A GMP Compliant, FDA Registered Facility
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*Individual Results May Vary - Ratings are based on Society Health Ranking System and do not necessarily reflect typical results from the use of these products. We encourage consumers to research by visiting each product's website for more information.

  • 25G of Protein in Every Serving
  • Delicious Taste and Easy To Mix
  • 31 Servings in Every Bottles
  • High Quality Whey Protein Isolate
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*Individual Results May Vary - Ratings are based on Society Health Ranking System and do not necessarily reflect typical results from the use of these products. We encourage consumers to research by visiting each product's website for more information.

  • 5 lbs of Dymatize ISO100 Protein Powder
  • 25 grams of protein, 5.5 grams of branched-chain amino acids (BCAAs), and 2.7 grams of Leucine per serving. 1 gram or less of sugar and fat per serving
  • Easy on the stomach, gluten free with less than 0.5g of Lactose
  • With 110-120 calories per serving, ISO100 can help support your keto diet, low carb diet or high protein diet. Add to your favorite recipe or high protein shakes!
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*Individual Results May Vary - Ratings are based on Society Health Ranking System and do not necessarily reflect typical results from the use of these products. We encourage consumers to research by visiting each product's website for more information.

  • Cook, Bake, Blend with Unflavored Protein Powder
  • Pure, Unflavored, GMO Free, 100% WHEY PROTEIN ISOLATE
  • The easy way to add high-quality protein into your preferred flavored beverages (hot or cold), smoothies, soups, sauces and baked goods recipes.
  • 2 Ingredients
  • No Added Colors/Flavors/Sweeteners
  • Keto friendly - this protein powder can help support your ketogenic macros
  • Gluten & lactose free
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*Individual Results May Vary - Ratings are based on Society Health Ranking System and do not necessarily reflect typical results from the use of these products. We encourage consumers to research by visiting each product's website for more information.

  • 100% NATURAL WHEY PROTEIN POWDER ISOLATE.
  • DOWNRIGHT DECADENT & DELICIOUS.
  • GUARANTEED RESULTS OR YOUR MONEY BACK
  • THE MAN BEHIND THE BRAND
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*Individual Results May Vary - Ratings are based on Society Health Ranking System and do not necessarily reflect typical results from the use of these products. We encourage consumers to research by visiting each product's website for more information.

  • PURE WHEY ISOLATE PROTEIN
  • LOW CARB & LOW CALORIE
  • OU-D Kosher Certified
  • VEGAN
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*Individual Results May Vary - Ratings are based on Society Health Ranking System and do not necessarily reflect typical results from the use of these products. We encourage consumers to research by visiting each product's website for more information.

  • The World's #1 BCAA Brand with 7G of BCAAs Per Serving
  • 25g 100% Whey Protein Isolate
  • Incredible Gluten Free Flavors
  • NSF & Informed Choice Certified
  • Banned substance tested
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*Individual Results May Vary - Ratings are based on Society Health Ranking System and do not necessarily reflect typical results from the use of these products. We encourage consumers to research by visiting each product's website for more information.

  • This Premium Protein Blend Features 5 Types of Proteins
  • Advanced Protein Complex
  • Whey Protein Hydrolosate, Whey Protein Concentrate, Whey Protein Isolate, Micellar Casein, and Colostrum
  • 24 Grams of Protein Per Serving
  • Chef-Approved Best Tasting Vanilla Shake Flavor
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*Individual Results May Vary - Ratings are based on Society Health Ranking System and do not necessarily reflect typical results from the use of these products. We encourage consumers to research by visiting each product's website for more information.

  • Our 100% Whey sourced from grass-fed cows blends smoothly into your favorite foods and beverages for an extra protein punch
  • 25g protein per serving, 30 servings per container (Serving scoop included)
  • No added or artificial sugars. No artificial colors, no artificial flavors
  • 1 gram of sugar and 1 gram of fat, no artificial flavors, sweeteners or Colors
  • Gluten free, soy free, non-GMO, no added rBGH/rBST
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*Individual Results May Vary - Ratings are based on Society Health Ranking System and do not necessarily reflect typical results from the use of these products. We encourage consumers to research by visiting each product's website for more information.